A138521 - OEIS

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A138521 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-5`
`2`		`10`
`3`		`-15`
`4`		`30`
`5`		`-55`
`6`		`80`
`7`		`-120`
`8`		`190`
`9`		`-285`
`10`		`410`
`11`		`-585`
`12`		`840`
`13`		`-1190`
`14`		`1640`
`15`		`-2240`
`16`		`3070`
`17`		`-4170`
`18`		`5570`
`19`		`-7400`
`20`		`9830`
`21`		`-12960`
`22`		`16920`
`23`		`-21990`
`24`		`28520`
`25`		`-36805`
`26`		`47180`
`27`		`-60225`
`28`		`76720`
`29`		`-97350`
`30`		`122880`
`31`		`-154610`
`32`		`194110`
`33`		`-242880`
`34`		`302740`
`35`		`-376295`
`36`		`466710`
`37`		`-577270`
`38`		`711800`

[1,-5,10,-15,30,-55,80,-120,190,-285,410,-585,840, -1190,1640,-2240,3070,-4170,5570,-7400,9830, -12960,16920,-21990,28520,-36805,47180,-60225, 76720,-97350,122880,-154610,194110,-242880,302740, -376295,466710,-577270,711800]

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Last modified April 20 05:17 EDT 2024. Contains 371798 sequences. (Running on oeis4.)